thanks, michelle. >>> connecticut state police said today that sandy hook elementary could be a crime scene for months as the investigation continues. joining me from washington is nbc's justice correspondent pete williams. on the investigation, pete, you have been digging into this from the very beginning. what is the latest? >> in fact, andrea, the police say that moving vans are coming to that school today so they can take the furniture out of it to use in whatever new facility -- whatever other building they will be using to conduct classes for the students at sandy hook. the hopes had been relatively high that perhaps there would be a fairly expeditious answer to this question of why, but i think those hopes were somewhat -- having somewhat tempered in the last 24 hours. the police did find when they went to nancy lanza's house, his mother, and discovered she had been killed there, they found his computer, and they thought that they might be able to get some data off of that if he had been in contact with certain web sites, if he had been buying things, if he had said anything, b